That made the death rate for American submarine crew members a tragic 21.9% over the course of the war. One vessel that didn't survive the war was the USS Grayback (SS-208), a Tambor-class boat ...

This Picture Marks the Watery Grave of a U.S. Navy Submarine Here’s What You Need To Remember: Owing to a minor navigational error, the final resting place of the USS Grayback remained a mystery ...